Paper-bag-printing machine



8.1. HOLTHAM.

PAPER BAG PRINTING MACHlNE.

APPLICATION FILED NOV. 22, 1919.

1,368,258. Patented Feb. 15, 1921.

3 SHEETSSHEET 1.

1 12' 25 Q I, l/

//VV/V 70A.

v s. J. HOLTHAM. I PAPER BAG PRINTING MACHINE.

APPLICATION FILED Nov. 22. 1919. 1,368,258. v Patented Feb. 15,1921.

, 3 SHEETS-SHEET 2.

06. /v/ /v7'0/? 52/140154 Ham/AM.

S. J. HOLTHAM. HPA'P'ER BAG PRINTING MACHINE.

APPLICATION FILED NOV. 22. 1919-' 1,368,258.

Patented Feb. 15, 1921.

a SHEETSSHEET 3.

/v VE/V 70R 5/: MULL J. H01 mam UNITED STATES PATENT OFFICE.

SAMUEL JOHN HOLTHIAM, OF NEW TORONTO, ONTARIO, CANADA, ASSIGNOR TOJOSEPH S. A. VII'IJELAILEZ' OF TORONTO, CANADA.

PAPER-BAG-PRINTING MACHINE.

Specification of Letters Patent.

Patented Feb. 15, 1921.

Application filed November 22, 1919. 7 Serial No. 339,848.

To all whom it may concern Be it known that I, SAMUEL JOHN Hon TEAM,residing at New Toronto, in the county of York, in the ProvinceotOntario. Canada, have invented certain new and useful Improvements inPaper-Bag-Printing Machines, of which the following is thespecification.

My invention relates to improvements in paper bag printing machines andthe object of the invention is to devise simple means which may beadjusted to print any desired advertising matter upon the; paper as itis fed to the bag making machine and which may be readily adjusted so asto place such advertising matter in any desired location upon the paperaccording to the size of the bag which is formed from the paper by the.

bag machine, and also to provide means whereby the inking rolls may bereadily separated so as to be set out of. contact one with the otherwhen idle and thus prevent their deformation and further to providemeans whereby a thorough distribution oi. the ink upon the ty e iseffected and it consists essentially oi t e arrangement and constructionof parts as hereinafter more particularly explained.

Figure 1 is a plan view of my paper bag printing machine. 1

Fig. 2 is a longitudinal section through Fig. 1.

Fig. 3 is a side elevation of my machine.

Fig. 1 is an enlarged perspective detail of r the means for clamping thetype to the cylinder.

Fig. 5 is a detail showing the means for spacing the final inking rollsfrom the type.

Fig. 6 is a fragmentary plan view.

In the drawings like charactersof reference indicate various. parts ineach figure.

1 indicates the'mainframe of my machine, the right hand portion of whichis provided with upwardly extending hearing portions 2 and 3. land 5areslideways in which are supportedbearing blocks 6 and 7. 8 is a shaftwhich is journaled in thebear ing blocks 6 and7. 9, is. my type-cylinderwhich is provided with hubs lO'xthrough which ertendsecuringscrews 11forscour: ing the type cylinderto the shaft 8 The type cylinder 9 isprovided with a, series 0t longitudinal grooves. 12 which are preferablysix in number, and? are arranged an e en i ance-apart 13 indicates mytype plate which is segmental cylindrical in form and is provided at itsends with bevel portions 1 1 and 15. 16 and 17 are blocks which areslidably held in the groove 12, the end walls of the grooves beingformed by plates 9. 18 are adjusting screws.

As will be seen byreferring to Fig. 4:, each adjusting screw is providedwith an annular groove 19 located in that portion of the screw extendingthrough the end wall: of the groove 12. 20 is a holding pinwhich extendsdownward from-the outer periphcry of the; plate 9. into the groove 19.21 is almob secured to the outer end of each screw 18 and by which thescrew may he turned by the operator. Each screw 18 er;- tends through apair of blocks 16 and 17 so as to engage therewith. The inner end ofeach block 16 and 17 is provided with a notch 23 which engages thebeveled ends of the type plate 13. The threads at the ends of the screws18 are reversely set and by turning the screw 18 it willbe readily seenthat the blocks are withdrawn. The type plate may be either withdrawnfor renewal or adjusted. circumferentially to any desired extent.

It will be readily understood. that when large bags are being made up onthe bag machine it would only be necessary to use one type plate 13, theimpression being made upon the paper once in every revolution of thetype cylinder, the paper required being equal in length to thecircumference of the cylinder. j

when small sized bags are to he. made by the bag machine, that is tosay, a bag half the length of the larger size, it will he necessary tohave two impressions during each revolution of the type cylinder and forthis condition I provide two type plates 13 as indicated in thedrawings. If it is desired. to print upon a bagone-thirdthe size of thelarger size then the type plateslii shown in the drawings are adjustedto the required position and an extra type plate inserted so that threetype plates are spaced at, an equal distance around the type, cylinder.

2 1 isgan impression roll which is mounted upon a shaft 25.journaled insuitable bearings in the portions 2. and 3 of the main "Frame. Theimpression roll 24 is provided with a. suitable padding of paper 26 soas to give the required resistan to the type zine roll upon which thesupply of paper is wound. Adjacent to the magazine roll 18 mounted aguidlng roller on standards 31. The paper 32 passes from the magazine 29over the guiding roller 30 around the guiding roller 27 and over andaround the roll 24- so as to pass between the impression roll and thetype cylinder and from beneath the impression roll onward to tiebagmachine. The shaft 25 upon which the'impression roll 24 is mountedforms the main driving shaft of the machine, this shaft being ClllVQllfrom any Slllilikble' source of:

power. Upon one end of the shaft 25 is mounted a. gear 33. 34 1s a gearsecured to the shaft 8 of the type cylinder. 36 are col larssecured tothe shaft 8 in proximity to each end thereof, for a purpose which willhereinafter appear. 7

is the inking fountain of the machine. The fountain 35 comprises a basemember 35 which is slidably supported in a suitable slideway 37 formedin the main frame'l of the machine. 38 and 39 are bearing standardswhich are provided with foot portions 40 having slots 41 therein throughwhich extend securing screws 42 for adjustably securing the standards tothe member 35*. i 43 is an inclined inking plate upon which the supplyof ink is held. 44 is the main inking roll. 45 is the ink transferringroll. 46 and 47 are ink transferring and distributing rolls which co-actwith the intermediate roll 48. Bearing upon the periphery ofthe roll 47arerolls 49 and 50 which transfer the ink finally on to the type 13 ofthe type cylinder 9. 49 and 50 are the. spindles of the typerolls inking49 and 50. The spin dies 49 and 5O project beyond the rolls 49 and 50 asindicated in Fig. 1 and are journaled in bars 52 which are pivotallysupported intermediate of their length on pins 53 carried by theswinging bars 54 each of which is mounted upon a pin 55 carried in themain frame of the machine. In order to space the rolls 49 and 50 theexact distance from the type cylinder required so that the peripherythereof just touches the type as they revolve I have provided thespindles 49* and 50 with rollers 56 and 57 in contact with the collars36 thereby definitely spacing the rolls 49 and 50 in position fromthetypecylinder.

The roll 48 is mounted upon a spindle 58 which projects beyond the endof theroll and is journaled in arms 59 and 60. The lower ends of thearms 59 and 60 are pivotally mounted in plates 61 and 62 carried by thestandards 38 and 39 of the inking fountain. When the roller 48 is notin'use it is swung upward into the dotted position indicated in Fig. 2so as to be out of contact with the ink distributing rolls 46 and 47. ithas been found that where the inking rolls are left in contact thatowing to their being formed of relatively soft material they willgradually become deformed by their own weight bearing against oneanother. F or this reason it is desirable when th rolls are not in useto hold them in a separated position.

Tn'order to se arate the ink distributin roll 47 from the rolls and 50all that it is necessary to do is to slide the ink fountain outward uponthe slide ways 37. By this movement the transferring roll 47 is carriedout of contact with the rolls 49 and 50 andthe rolls 49 and 50 then dropdownward out of contact with the type by gravity with the bars 54 onwhich they are carried.

I will now describe the means by which the ink is distributedlongitudinally of the inking rolls. he distributing ink rolls 46 and 47are mounted on spindles 63 and 64 which are free to move longitudinallyin their bearings located in the standards 38 and 39. The distributingink rolls 46 and 47 are reciprocated longitudinally in oppositedirections by the following mecha nism. 65 and 66 are grooredwheelssecured to the spindles 63 and 64. 67 is a standard bracket supported onone side of the machine and in which is supported a vertical rockingshaft 68. 69 is a cross arm carried by the upper end of the shaft 68provided at the ends with forkmembcrs 70 and 71 the forks of which enterthe grooves of the wheels 65 and 66. The stem of the members 70 and 71are turnably held at their lower ends in the cross arm 69; The lower endof the rocking shaft 68 is provided with an arm 72 extending outwardtherefrom. 73 and 74 are gear wheels mounted upon spindles 63 and 64. 75is a broad gear pinion mounted upon'the stud 76 and in mesh with thegears 73 and 74. The pinion 75 is driven from the gear wheel 34 by meansof a gear wheel 7 7 mounted'upon the short shaft 78. The short shaft 78is journaled in a beairng 80. carried on the side of the machine and isprovided at its opposite end with a gear wheel 82 which is provided witha crank pin 83 (onnected by a link 84 to the outer end of the arm 72. 85is a gear mounted upon a swinging bracket 86 secured to the side of themachine by a bolt 87. The gear 85 is in mesh with the gear 82 and gear34 thereby completing the driving connection which is formed from thegear 34 through the gears 85 and 8:2 and shaft 78 connected to the gears73 and 74 by the gear 77 secured to the opposite end of the shaft 78 andby the broad gear pinion 75 which is constantly in gear with the gears73 and 74 carried by the spindles 63 and wheel 90.

(54 which are reciprocated longitudinally in opposite directions, thereciprocating action being provided for by means of the crank pin 83 andlink 84 imparting a swinging movement to the arm 72. By this means theforks 70 and 71 are carried in opposite directions carrying the inkingrolls 46 and 47 in a corresponding direction while in contact with thedistributing ink rolls 48 and 49 and 50. This reciprocating action ofthe rolls 46 and 47 is to effect the spreading of the ink carriedthereby longitudinally while revolving in contact with the rol1s'48 and49 and 50.

88 is a shaft journaled in the bearing standards 38 and 39. 89 are armssecured to the shaft 88 at each end thereof. 90 is a ratchet wheelcarried by the spindle of the main ink roll 44. 91 is a bar swung uponthe spindle of the main ink roll 44. 92 is a link connecting the lowerend of the bar 91 to the gear 7 7 eccentrically thereof. 93 is a pawlcarried by the upper end of the bar 91 in engagement with the ratchet 94is a detent carried by the shaft 88 and adapted to engage with the edgeof the bar 91 when the lower end of the bar is swung toward the typecylinder. \Vhen the bar 91 is swung in this direction after the rotarymovement of the main inking roll the ink transferring roll is carriedinto contact with the main ink roll against the tension of the spring95. As soon as the bar 91 moves in the opposite direction the detent 94is released'and the spring 95 acts to carry the ink transferring roll.45 into contact with the ink distributing roll 46.

It will thus be seen from this description that I have provided amachine whereby suitable advertising matter may be printed on a bag ofany standard size. To produce this result all that it is necessary to dois to loosen the plates 13 by turning the knobs 21 and respacing theplates apart around the type cylinder 9 in accordance with the size ofthe bag to be printed. If a large size bag is to be printed only onetype plate is necessary on the cylinder, one impression being givenduring each revolution of the roll. If the bag to be made is half thesize of the larger bag two type plates are arranged in the positionindicated in the drawings so that two impressions are made during eachrevolution. If a bag a third the size of the larger bag is to be madethen three type plates are arranged at an equal distance around the typecylinder, this operation being repeated until six plates are arrangedaround the cylinder for printing the smallest size bags. By my machineit will also be seen an even distribution of the ink is provided forwhich will absolutely prevent the blurring of the type andin which meansare also provided for preventing the deformation of the inking rollsduring the time the machine is standing idle.

lVhat I claim as my invention is:

In a paper bag printing machine, the combination with the main frame, ofa type cylinder mounted in the main frame, an ink fountain provided withan ink roller slidably supported upon the main frame, and transferringrollers interposed between the ink fountain and the type cylinderbrought into engagement with the type cylinder and ink roller of thefountain by sliding the ink fountain toward the type cylinder.

SAMUEL JOHN HOLTHAM.

